citrus greening

HLB Preparedness in Australia

Ernie NeffHLB Management, International

Learning how other countries manage huanglongbing (HLB) will help shape Australia’s response if the damaging citrus disease hits its shores, according to New South Wales (NSW) citrus pathologist Nerida Donovan. One of the biggest lessons so far has been the importance of treating the psyllid vector with the same respect as the disease. Donovan, with the NSW Department of Primary …

Gibberellic Acid: Increase Fruit Size and Yield, Reduce Drop

Tacy CalliesProduction

By Tripti Vashisth and Megan Dewdney This article discusses the use of gibberellic acid (GA), the naturally occurring plant hormone, on huanglongbing (HLB)-affected trees. The results were generated from a 3-year trial in which Valencia trees were treated with GA in the fall. The outcomes suggest that GA can be effectively used for synchronizing and suppressing profuse flowering without negatively …

Pest Management Under Bags

Ernie NeffCitrus Expo, Pests

Many Florida citrus growers in recent years have used individual protective covers (IPCs), often referred to as “bags,” for pest management, especially to protect young trees from HLB-spreading Asian citrus psyllids. Lauren Diepenbrock addressed the benefits and challenges of IPCs at this year’s virtual Citrus Expo. Diepenbrock is an assistant professor of entomology at the University of Florida Institute of …

Mutual Reacts to Federal Plan for Imports

Ernie NeffTrade

A recently announced Trump administration plan (see the full 28-page document) to address the threat posed by increased foreign imports to American producers of seasonal and perishable fruits and vegetables does not specifically address citrus. But Florida Citrus Mutual (FCM) Executive Vice President/CEO Mike Sparks noted that many of Florida’s other fruits and vegetables weren’t specifically addressed in the plan, …

Oak Leaf Extract and Mulch for HLB

Ernie NeffCitrus Expo

Researchers on the Indian River have proved “there is something in the oak leaf that can work” against HLB, said Lorenzo Rossi. “I’m not saying that I found the cure, and I’m not saying that oak extract will save the citrus industry.” He described oak extract, and possibly oak mulch, as another tool against HLB. Rossi, a University of Florida …

Florida’s Gift Fruit Industry Remains Resilient

Tacy CalliesFresh

Gift fruit shippers occupy just a small niche in Florida citrus, but the sector’s value to the industry is more than annual sales. For anyone seeking a taste of Florida citrus, regardless of where they are in the United States, gift fruit can be shipped with just a few clicks online or a simple telephone call to a Florida gift …

AI Will Be Another Tool for Citrus Greening

Ernie NeffAll In For Citrus Podcast

Artificial intelligence (AI) will likely help growers and researchers cope with citrus greening (huanglongbing, known as HLB) and other citrus problems over the long run. That’s the belief of J. Scott Angle, the new head of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Angle, UF’s vice president for agriculture and natural resources, says AI is a …

citrus crop forecast

New Economic Reports for Florida Citrus

Tacy CalliesEconomics

By Ariel Singerman Four reports summarizing Florida citrus industry survey-collected data during the 2019–2020 season are available at https://crec.ifas.ufl.edu/economics/. The reports include the average cost of production for processed oranges, harvesting charges, custom rate (or caretaking) charges and packing charges. The estimates presented in those reports, as well as those available for previous seasons, document the changes in the industry …

Kanissery Wins Extension Award

Ernie NeffAwards

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) weed scientist Ramdas Kanissery has earned a Dallas Townsend Extension Professional and Enhancement Award. Kanissery works at the Southwest Florida Research and Education Center (SWFREC) in Immokalee. “The award recognizes a state Extension specialist for demonstrating an outstanding ability to plan and implement Extension programs that address needs that have …

craft

CRAFT Cycle Two Deadline Is September 4

Tacy Calliesplanting, Research

Time is running out for commercial citrus growers in Florida to apply to participate in Cycle Two of the Citrus Research and Field Trial (CRAFT) program. The deadline to apply is Friday, Sept. 4. The application process is open to growers with a minimum of 20 acres of planned solid-set or reset plantings. Cycle Two of CRAFT covers up to …

Sneak Peek: September 2020 Citrus Industry

Tacy CalliesSneak Peek

In just two days, more than 1,100 Citrus Expo participants viewed 28 educational videos. If you didn’t get a chance to visit the virtual Citrus, Vegetable & Specialty Crop Expo on Aug. 19–20, you can find highlights from the event in the September issue of Citrus Industry magazine. The educational videos will remain on the Citrus Expo website through the …

immigration reform

COVID-19 and Farm Labor

Ernie NeffCOVID-19, Labor

The Florida Department of Agriculture and Consumer Services (FDACS) is encouraging growers to ensure that the farm labor contractors with whom they work pledge to implement COVID-19 workplace safety guidance issued by the Centers for Disease Control and Prevention. FDACS issued an addendum to be signed by farm labor contractors (see here) and a training acknowledgment form to be signed …

Cover Crops for Citrus ‘Really Encouraging’

Ernie NeffCitrus Expo, Cover Crops

Healthy soil has high percentages of soil organic matter, which improves water-holding capacity, nutrient cycling and retention, and provides nutrients for microbes, along with other benefits. Unfortunately, Sarah Strauss noted, most citrus soils in Florida typically have 1 to 2 percent soil organic matter, “which is basically non-existent.” Strauss and other scientists are researching two ways of improving soil organic …

FDOC

Florida Citrus Acres Declining

Tacy CalliesIndustry News Release

Florida’s struggling citrus industry is using nearly 50 percent fewer acres than 20 years ago, according to an annual end-of-season report from the U.S. Department of Agriculture (USDA). The USDA National Agricultural Statistics Service Florida Field Office calculated 419,542 citrus acres in Florida as the 2019–2020 growing season ended in July. The acreage figure was down 3 percent from the …

UF/IFAS Citrus Website Greatly Improved

Ernie NeffAll In For Citrus Podcast

In the past, the citrus team at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has heard some complaints about its Citrus Research and Education Center (CREC) website. When it asked growers what information they needed, “the feedback we got was that it’s really hard to find information on our website,” says Michael Rogers, director of the …

nutrition

CRDF Addresses Leaf Sampling and Breeding Research

Ernie NeffResearch

The Citrus Research and Development Foundation (CRDF) board recently chose leaf sampling timing and frequency as its top priority for a new nutrition research project. The board also agreed to create a Select Committee on Plant Improvement to help plant breeders decide which new cultivars should go into final field trials. CRDF Chief Operating Officer Rick Dantzler discusses the board’s …

Citrus Production Guide Available

Ernie NeffProduction

The 2020-2021 Florida Citrus Production Guide is now available. See the online version of the University of Florida Institute of Food and Agricultural Sciences resource. Hard copies of the guide can be obtained at local UF/IFAS Extension county offices. Get the list of citrus Extension agents here. It is always best to email or call the agent ahead of time …

HLB

New UF/IFAS Plant Breeding Website

Ernie NeffBreeding

Fred Gmitter, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) professor of breeding and genetics, has released several mandarin citrus varieties. Most recently, he released the Marathon variety in 2018. The citrus fruit’s ability to hang onto the tree for an extended period led researchers to give it the Marathon moniker. Gmitter is one of numerous scientists …

psyllids

Psyllid Study to Determine Degree of HLB Risk

Len WilcoxCalifornia Corner, Psyllids

University of California Riverside Extension Specialist Monique Rivera said that funding for a new research project to study the Asian citrus psyllid (ACP) has been approved. The project will take a closer look at the phenology of huanglongbing (the citrus disease ACP spreads) and its prevalence in psyllid populations. The scientists will be looking for patterns that will help them …

European Union

Mutual Testifies on OJ From Mexico

Ernie NeffMexico

Florida Citrus Mutual Executive Vice President and CEO Mike Sparks recently testified to federal officials regarding the effects of orange juice (OJ) imports from Mexico. His testimony to the United States Trade Representative (USTR), the U.S. Department of Commerce (USDOC) and the U.S. Department of Agriculture (USDA) was part of a larger hearing on trade with Mexico and the U.S. …